| Point Forecast: Great Falls International Airport MT 47.46N 111.4W (Elev. 3599 ft) |
Last Update: 8:29 am MDT Jul 15, 2025 |
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| Date | 07/15 | 07/16 | ||||||||||||||||||||||
| Hour (MDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 50 | 50 | 51 | 51 | 52 | 50 | 51 | 50 | 49 | 49 | 48 | 47 | 47 | 47 | 47 | 46 | 46 | 45 | 44 | 46 | 47 | 48 | 51 | 53 |
| Dewpoint (°F) | 49 | 49 | 49 | 49 | 50 | 47 | 48 | 47 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 44 | 43 | 43 | 42 | 44 | 45 | 45 | 47 | 46 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 18 | 17 | 16 | 14 | 13 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 6 |
| Wind Dir | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | NE | ENE | E | E |
| Gust | 34 | 33 | 34 | 34 | 33 | 33 | 32 | 29 | 28 | 25 | 24 | 23 | 20 | |||||||||||
| Sky Cover (%) | 100 | 100 | 100 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 98 | 98 | 94 | 90 | 86 | 84 | 82 | 80 | 78 | 75 | 73 | 66 |
| Precipitation Potential (%) | 100 | 100 | 95 | 87 | 63 | 72 | 40 | 59 | 66 | 51 | 30 | 33 | 33 | 27 | 25 | 23 | 20 | 17 | 17 | 12 | 12 | 12 | 12 | 12 |
| Relative Humidity (%) | 98 | 98 | 94 | 94 | 94 | 91 | 90 | 90 | 90 | 90 | 92 | 93 | 91 | 92 | 93 | 92 | 92 | 93 | 93 | 93 | 93 | 90 | 85 | 78 |
| Rain | Ocnl | Ocnl | Ocnl | Ocnl | Lkly | Lkly | Chc | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- |
| Thunder | SChc | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/17 | |||||||||||||||||||||||
| Hour (MDT) | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 |
| Temperature (°F) | 56 | 58 | 60 | 63 | 66 | 67 | 68 | 69 | 68 | 65 | 62 | 59 | 57 | 55 | 54 | 52 | 51 | 50 | 48 | 48 | 50 | 54 | 58 | 62 |
| Dewpoint (°F) | 47 | 46 | 46 | 46 | 47 | 46 | 46 | 46 | 47 | 48 | 48 | 48 | 48 | 47 | 47 | 46 | 45 | 45 | 44 | 44 | 45 | 46 | 47 | 47 |
| Heat Index (°F) | ||||||||||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 6 |
| Wind Dir | E | ESE | ESE | ESE | ESE | E | E | E | E | E | E | E | SE | SE | SSE | S | S | S | S | S | S | S | SSW | SSW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 60 | 53 | 47 | 41 | 35 | 29 | 23 | 17 | 14 | 11 | 8 | 7 | 7 | 6 | 7 | 7 | 8 | 9 | 12 | 13 | 13 | 13 | 6 | 6 |
| Precipitation Potential (%) | 12 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 70 | 65 | 59 | 55 | 50 | 46 | 44 | 44 | 48 | 54 | 61 | 66 | 72 | 76 | 78 | 79 | 80 | 83 | 86 | 86 | 82 | 74 | 66 | 58 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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